Exclude Embedded Swift from WebGPUDemo/README.md for now

Author: MaxDesiatov

WebGPUDemo/README.md

@@ -9,16 +9,6 @@ the Swift SDK in the following command to the version that matches your installe
 swift package --swift-sdk swift-6.2-RELEASE_wasm js --use-cdn
 ```
 
-If you'd like to produce a smaller binary (under 400 kB), you'll have to use
-`swift-DEVELOPMENT-SNAPSHOT-2025-08-11` or later development snapshot of the `main` Swift toolchain
-branch. Earlier versions (including Swift 6.2) have no support for `async` functions in Embedded Swift,
-which is required for WebGPU setup. Use the following command to build with Embedded Swift (update for
-your installed toolchain version if needed):
-
-```
-swift package --swift-sdk swift-DEVELOPMENT-SNAPSHOT-2025-08-11-a_wasm-embedded js --use-cdn -c release
-```
-
 WebGPU is enabled by default in Safari 26. Safari 17 and 18 require enabling
 WebGPU feature flag as shown on the screenshot: